Sensory innervation of the upper extremity
Topic: Anatomy
Created on Friday, December 22 2006 by jdmiles
Last modified on Sunday, November 16 2008.
A 533 year-old Renaissance man presents to your office, complaining of numbness.
You expertly diagnose him as having a mononeuropathy affecting the dorsal antibrachial cutaneous nerve.
Which image most accurately illustates the pattern of sensory innervation provided by the dorsal antibrachial cutaneous nerve?
A)
' B)
' C)
' D)
' E)
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This question was created on December 22, 2006 by jdmiles.
This question was last modified on November 16, 2008.
ANSWERS AND EXPLANATIONS
A)
'
This answer is correct.
The following image illustrates the distribution of sensory innervation of some of the named nerves in the upper extremity.

(See References)
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B)
'
This answer is incorrect.
The distribution of sensory innervation illustrated in this image best corresponds to the median nerve. (
See References)
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C)
'
This answer is incorrect.
The distribution of sensory innervation illustrated in this image best corresponds to the axillary nerve. (
See References)
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D)
'
This answer is incorrect.
The distribution of sensory innervation illustrated in this image best corresponds to the medial antibrachial cutaneous nerve. (
See References)
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E)
'
This answer is incorrect.
The distribution of sensory innervation illustrated in this image best corresponds to the medial brachial cutaneous nerve. (
See References)
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References:
1. Gray, Henry. (1918). Anatomy of the human body 20th ed. Philadelphia: Lea & Febiger. (ASIN:B000TW11G6) | Advertising:
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anatomy
Sensory innervation of the upper extremity
Question ID: 810200601
Question written by J. Douglas Miles, (C) 2006-2009, all rights reserved.
Created: 12/22/2006
Modified: 11/16/2008
Estimated Permutations: 0